BGS mineralogy and petrology collection record

Sample number S7861
Sample Donor Harker, Alfred
Rock name 'Original entry: Porphyritic Olivine Dolerite'
Stratigraphy Not entered
Comments Dyke, Sp. Gr. 2.89
Locality details At bend of Allt na Measarroch
50k map sheet Minginish (70)

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Map reference NG 500 272
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S7861

Cross Polarized, S7861

Plane Polarized, S7861

Plane Polarized, S7861